document.getElementsByClassName('primary_nav__toggle')[0].addEventListener('click', function(){ let nav_list = document.getElementsByClassName('primary_nav__navlist')[0] if (nav_list.style.display === 'block') { nav_list.style.display = 'none'; } else { nav_list.style.display = 'block'; } }); let primary_menu_items = document.getElementsByClassName('primary_nav__navitem'); for (let i = 0; i < primary_menu_items.length; i++) { primary_menu_items[i].addEventListener('click', function(event) { let dropdown = event.currentTarget.firstElementChild; if (dropdown.classList.contains('-closed')) { dropdown.classList.remove('-closed'); dropdown.classList.add('-open'); } else { dropdown.classList.remove('-open'); dropdown.classList.add('-closed'); } }); }